PDFWAC 173-441-080
Standardized methods and conversion factors incorporated by reference.
(1) The materials incorporated by reference by EPA in 40 C.F.R. § 98.7, are incorporated by reference in this chapter for use in the sections of this chapter that correspond to the sections of 40 C.F.R. Part 98 referenced here.
(2) Table A–2 of this section provides a conversion table for some of the common units of measure used in this chapter.
Table A-2:
Units of Measure Conversions
To convert from | To | Multiply by |
Kilograms (kg) | Pounds (lbs) | 2.20462 |
Pounds (lbs) | Kilograms (kg) | 0.45359 |
Pounds (lbs) | Metric tons | 4.53592 x 10-4 |
Short tons | Pounds (lbs) | 2,000 |
Short tons | Metric tons | 0.90718 |
Metric tons | Short tons | 1.10231 |
Metric tons | Kilograms (kg) | 1,000 |
Cubic meters (m3) | Cubic feet (ft3) | 35.31467 |
Cubic feet (ft3) | Cubic meters (m3) | 0.028317 |
Gallons (liquid, US) | Liters (l) | 3.78541 |
Liters (l) | Gallons (liquid, US) | 0.26417 |
Barrels of liquid fuel (bbl) | Cubic meters (m3) | 0.15891 |
Cubic meters (m3) | Barrels of liquid fuel (bbl) | 6.289 |
Barrels of liquid fuel (bbl) | Gallons (liquid, US) | 42 |
Gallons (liquid, US) | Barrels of liquid fuel (bbl) | 0.023810 |
Gallons (liquid, US) | Cubic meters (m3) | 0.0037854 |
Liters (l) | Cubic meters (m3) | 0.001 |
Feet (ft) | Meters (m) | 0.3048 |
Meters (m) | Feet (ft) | 3.28084 |
Miles (mi) | Kilometers (km) | 1.60934 |
Kilometers (km) | Miles (mi) | 0.62137 |
Square feet (ft2) | Acres | 2.29568 x 10-5 |
Square meters (m2) | Acres | 2.47105 x 10-4 |
Square miles (mi2) | Square kilometers (km2) | 2.58999 |
Degrees Celsius (°C) | Degrees Fahrenheit (°F) | °C = (5/9) x (°F - 32) |
Degrees Fahrenheit (°F) | Degrees Celsius (°C) | °F = (9/5) x (°C + 32) |
Degrees Celsius (°C) | Kelvin (K) | K = °C + 273.15 |
Kelvin (K) | Degrees Rankine (°R) | 1.8 |
Joules | Btu | 9.47817 x 10-4 |
Btu | MMBtu | 1 x 10-6 |
Pascals (Pa) | Inches of Mercury (in Hg) | 2.95334 x 10-4 |
Inches of Mercury (in Hg) | Pounds per square inch (psi) | 0.49110 |
Pounds per square inch (psi) | Inches of Mercury (in Hg) | 2.03625 |
[Statutory Authority: RCW 70A.15.2200. WSR 22-05-050 (Order 21-07), § 173-441-080, filed 2/9/22, effective 3/12/22. Statutory Authority: Chapters 70.94, 70.235 RCW. WSR 16-19-047 (Order 15-10), § 173-441-080, filed 9/15/16, effective 10/16/16; WSR 15-04-051 (Order 13-13), § 173-441-080, filed 1/29/15, effective 3/1/15. Statutory Authority: 2010 c 146, and chapters 70.235 and 70.94 RCW. WSR 10-24-108 (Order 10-08), § 173-441-080, filed 12/1/10, effective 1/1/11.]